Completed Alternator 6V + conversion
Posted by sporto On 2014/6/26 13:34:11
After a lot of research, pros and cons, dos and don'ts I managed to successfully upgrade to a 6v+ ground alternator on my 37 120. I can honestly say that is was well worth the trouble. The ammeter shows a significant amount of juice being created at all rpm's including that wonderful low idle that the 8 is famous for. 
I splurged and got the PowerGen 82056 model that looks similar to the generator. I had them at Quality Power put the .75" pulley on it and I used the OEM bracket to mount it.http://www.qualitypower.co/item/Powermaster_82116_and_82056/293/c40
A few things to consider.
1. This unit is a bit bigger than the generator, so it takes a little bit of effort to get the unit aligned properly, and the distributor with the vacuum advance (at least in my case), is very close to the back of the alternator.
2. Alignment is key, the pullies will align with some shims in the OEM bracket. I used a small steel sleeve and a washer or two to get the alignment right. It was a bit tricky with the distributor so close, but it worked out.
3. Be sure to ground the alternator with a wire. This is what the Manufacturer recommends, so I did so.
4. The unit has a solid state regulator built in, so I spliced the Bat and Arm wires together at the regulator. I am working on making this integration more subtle as I am keeping the regulator to look more original.
5. The swing bracket that I had for the generator was too short, so I bought a universal alternator bracket for 11.99 at Pep Boys (chrome, but I painted it) that was way too long. I cut it down to about 9" or so, and the drilled a hole to mount it on the engine. It worked quite well.
This unit does exactly what the advertisement says, it creates a lot of amperage. My lights are brighter and when I turn them on the ammeter only bumps for split second and them right back to zero. I can also run my electric fuel pump, Trippe lights and turn signals without worry of draining the battery.
I cannot say enough about how much of an improvement this is. It is also a good looking unit that really does not detract from the appearance of the engine.
Just thought that I would share...
I splurged and got the PowerGen 82056 model that looks similar to the generator. I had them at Quality Power put the .75" pulley on it and I used the OEM bracket to mount it.http://www.qualitypower.co/item/Powermaster_82116_and_82056/293/c40
A few things to consider.
1. This unit is a bit bigger than the generator, so it takes a little bit of effort to get the unit aligned properly, and the distributor with the vacuum advance (at least in my case), is very close to the back of the alternator.
2. Alignment is key, the pullies will align with some shims in the OEM bracket. I used a small steel sleeve and a washer or two to get the alignment right. It was a bit tricky with the distributor so close, but it worked out.
3. Be sure to ground the alternator with a wire. This is what the Manufacturer recommends, so I did so.
4. The unit has a solid state regulator built in, so I spliced the Bat and Arm wires together at the regulator. I am working on making this integration more subtle as I am keeping the regulator to look more original.
5. The swing bracket that I had for the generator was too short, so I bought a universal alternator bracket for 11.99 at Pep Boys (chrome, but I painted it) that was way too long. I cut it down to about 9" or so, and the drilled a hole to mount it on the engine. It worked quite well.
This unit does exactly what the advertisement says, it creates a lot of amperage. My lights are brighter and when I turn them on the ammeter only bumps for split second and them right back to zero. I can also run my electric fuel pump, Trippe lights and turn signals without worry of draining the battery.
I cannot say enough about how much of an improvement this is. It is also a good looking unit that really does not detract from the appearance of the engine.
Just thought that I would share...
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